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\begin{tabular}{lc} \hline
 & (1) \\\
 & RS1 \\\
VARIABLES & gr\_pop \\\ \hline
 &  \\\
p1871cot10 & -0.0700*** \\\
 & (0.0183) \\\
p1881cot10 & 0.00989 \\\
 & (0.0191) \\\
p1891cot10 & 0.0104 \\\
 & (0.0227) \\\
p1871otex10 & 0.0467 \\\
 & (0.0409) \\\
p1881otex10 & 0.0451*** \\\
 & (0.0173) \\\
p1891otex10 & 0.0577** \\\
 & (0.0251) \\\
const & 0.684*** \\\
 & (0.0965) \\\
 &  \\\
Observations & 235 \\\
 R-squared & 0.888 \\\ \hline
\multicolumn{2}{c}{ Standard errors in parentheses} \\\
\multicolumn{2}{c}{ *** p$<$0.01, ** p$<$0.05, * p$<$0.1} \\\
\end{tabular}
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